// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_OZONE_DEMO_SOFTWARE_RENDERER_H_
#define UI_OZONE_DEMO_SOFTWARE_RENDERER_H_

#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/timer/timer.h"
#include "ui/ozone/demo/renderer_base.h"

namespace gfx {
class VSyncProvider;
} // namespace gfx

namespace ui {

class SurfaceOzoneCanvas;

class SoftwareRenderer : public RendererBase {
public:
    SoftwareRenderer(gfx::AcceleratedWidget widget, const gfx::Size& size);
    ~SoftwareRenderer() override;

    // Renderer:
    bool Initialize() override;

private:
    void RenderFrame();

    void UpdateVSyncParameters(const base::TimeTicks timebase,
        const base::TimeDelta interval);

    scoped_ptr<SurfaceOzoneCanvas> software_surface_;

    scoped_ptr<gfx::VSyncProvider> vsync_provider_;

    // Timer for animation.
    base::RepeatingTimer timer_;

    base::TimeDelta vsync_period_;

    base::WeakPtrFactory<SoftwareRenderer> weak_ptr_factory_;

    DISALLOW_COPY_AND_ASSIGN(SoftwareRenderer);
};

} // namespace ui

#endif // UI_OZONE_DEMO_SOFTWARE_RENDERER_H_
